道门往事全集:生成一个MAC密钥

来源:百度文库 编辑:九乡新闻网 时间:2024/04/29 09:41:45

e468. 生成一个MAC

For more information on a MAC, see RFC 2104. See also e467 列出所有可用的消息鉴定码(MAC)发生器.
    try {        // Generate a key for the HMAC-MD5 keyed-hashing algorithm        KeyGenerator keyGen = KeyGenerator.getInstance("HmacMD5");        SecretKey key = keyGen.generateKey();            // Generate a key for the HMAC-SHA1 keyed-hashing algorithm        keyGen = KeyGenerator.getInstance("HmacSHA1");        key = keyGen.generateKey();    } catch (java.security.NoSuchAlgorithmException e) {    }